Amazon Web Services
Built upon the same world-class technology that powers Amazon.com, Amazon Web Services (AWS) provides businesses with a secure, reliable, easy-to-scale, low-cost computing platform "in the cloud". Companies of all sizes, from all around the globe use AWS to build applications, store data, manage business processes, and more. Learn more at: http://aws.amazon.com.

BlackRay
BlackRay is an innovative, fully relational in-memory database system
designed to offer performance features commonly associated with search
engines. It offers fulltext search, function based indeces, JDBC/ODBC via
Postgres drivers as well as object oriented APIs. BlackRay is available
under the GPLv2.

Clustrix
Clustrix Inc. has built a database with no limits. It has no limits to database size, no limits to table size, no limits to the complexity of queries, and no limits to performance. The Clustrix database offers dynamic online scaling, seamless fault tolerance, full relational and transactional capabilities, and MySQL wire-line compatibility in single instance database. For more information please visit: www.clustrix.com.

Drizzle
The Drizzle project is building a database optimized for Cloud and Web applications. The project is focused on providing a database that is reliable and transactional, allows for massive concurrency, fast and scalable on modern architecture and is simple in design for ease of installation and management.

EnterpriseDB
EnterpriseDB is the only world wide provider of products, support and expertise based on PostgreSQL, the most widely deployed independent open source database in the world. EnterpriseDB's Postgres Plus products are designed with enterprise-grade features providing massive scalability for transaction-intensive applications requiring superior performance, security, and availability. Our Postgres Plus Advanced Server adds Oracle compatibility that drastically reduces database TCO, capitalizes on existing Oracle skill sets, and runs many Oracle applications unchanged. With Postgres Plus, users can develop and deploy PostgreSQL-backed applications that scale from embedded solutions to massive OLTP and data warehouse systems. For more information, call 781-357-3390, or visit www.enterprisedb.com.

Facebook
Facebook is a social utility that helps over 500 million people around the world communicate more efficiently with their friends, family and coworkers. The site has been built on common open source software such as Linux, Apache, MySQL, and PHP and over the past few years, the company has developed a number of open source infrastructure technologies to support the site's growth including HipHop for PHP, Cassandra, Hive, Scribe, and Thrift. Facebook engineers actively contribute and participate in various open source projects especially around the Apache Hadoop ecosystem, developing technologies that facilitate the sharing of information through the social graph.

Infobright, Inc
Infobright's high-performance columnar database is the preferred choice for applications and data marts that analyze large volumes of "machine-generated data" such as web data, network logs, telecom records, and sensor data. Easy to implement and with unmatched data compression, operational simplicity and low cost, Infobright is built on MySQL.

LinkedIn
LinkedIn is an Internet platform company focused on connecting the world's professionals. The LinkedIn website launched in 2003 and is the world's largest professional network with more than 90 million members, representing every country and executives from every Fortune 500 company. The company is privately held and has a diversified business model with revenues coming from user subscriptions, advertising sales and hiring solutions. LinkedIn is headquartered in Mountain View, California.

Metric Insights
Metric Insights provides the Instant Insight system, a revolutionary all-in-one business intelligence solution that delivers rapid deployments of powerful and intuitive reports and dashboards. Our unique architecture supports fast access of information while minimizing the load placed on source databases. The result is an easy, fast, versatile, and affordable solution.

Monty Program
Monty Program was founded by Michael 'Monty' Widenius, MySQL's
original author. In conjunction with a worldwide community of volunteer
coders, the company develops MariaDB, a fork of MySQL that is a drop-in
replacement for the world's most popular open source database. While
immediately familiar to MySQL DBAs and casual users, MariaDB offers
significant performance enhancements, powerful and compelling new
features, and through the Open Database Alliance, a vibrant ecosystem
of solution providers.

O'Reilly Media
O'Reilly Media spreads the knowledge of innovators through its books, online services, magazines, research, and conferences. Since 1978, O'Reilly has been a chronicler and catalyst of leading-edge development, homing in on the technology trends that really matter and galvanizing their adoption by amplifying "faint signals" from the alpha geeks who are creating the future. An active participant in the technology community, the company has a long history of advocacy, meme-making, and evangelism.

Percona
Percona makes MySQL more valuable to customers and users by advancing
the performance of the database, and by teaching clients how to achieve
high performance and scalability with MySQL. Our flagship product is
Percona Server with XtraDB, an enhanced, open-source variant of the
MySQL database with an improved version of the InnoDB storage engine.
Our founders wrote the book High Performance MySQL and are world-famous
MySQL experts. We provide consulting, support, training, and
development services for MySQL.

phpMyAdmin
phpMyAdmin is a popular web interface for MySQL. This open source application has gained the trust of host providers worldwide and is currently available in 62 languages. phpMyAdmin has won a
SourceForge.net 2009 Community Choice Award: "Best Tool or Utility for SysAdmins".

PostgreSQL
PostgreSQL is the world's most advanced and rapidly evolving open source database, with more than 20 years of development by a community of hundreds of database developers from dozens of countries. Our long time support of an enterprise level feature set including transactions, SQL standards compliance, aggregation and subqueries makes PostgreSQL suitable for large enterprises and governments. Easy extensibility through stored procedures and custom data objects makes PostgreSQL exciting for developers. Try PostgreSQL for your next database application!

R1Soft
R1Soft is the developer of Continuous Data Protection® (CDP), scalable and high-performance backup software for Windows, Linux, and virtual environments. Recognized as the leading commercial backup software in hosted services and the Cloud, R1Soft CDP currently protects more than 200,000 servers worldwide. R1Soft is a division of BBS Technologies, Inc.

Rackspace Hosting
Rackspace® Hosting is the world's leading specialist in the hosting and cloud computing industry, and the founder of OpenStack™, an open source cloud platform. The San Antonio-based company provides Fanatical Support® to its customers, across a portfolio of IT services, including Managed Hosting and Cloud Computing. For more information, visit www.rackspace.com.

ScaleDB
ScaleDB is a pluggable storage engine that turns MySQL into a clustered database that is fast, scalable, elastic and highly-available. Unlike sharding, which is difficult and fragile, ScaleDB provides master-only clustering that is simple and robust. Each ScaleDB node has read/write access to the entire database, eliminating the need to partition your data. Plug-in ScaleDB and your database will, without modification, begin scaling elastically in the data center, private cloud or public cloud.

Schooner Information Technology
Schooner MySQL and Schooner Membrain are software products which turn standard x86 servers and flash memory into MySQL database or NoSQL data store super-servers. Schooner brings the datacenter scaling without the sprawl, minimal downtime, and optimal performance. Schooner maximizes datacenter efficiency by slashing the need for servers and the power, pipe, and people to run them. Datacenters scale smart with Schooner to handle way bigger loads with way fewer nodes.

SkySQL
SkySQL Ab is the first choice in affordable MySQL® database solutions for the enterprise and cloud. Founded by MySQL AB investors and personnel, SkySQL Ab's customers include ATOS Worldline, Booking.com, Canal+, Easyflirt.com, FHE3, Lotte.com, Richemont, and Voltalis. SkySQL has operations in Asia, Europe and North America. For more information, call +1 877 303 5799, or visit www.skysql.com.

Virident
Virident Systems builds enterprise-class solutions based on Storage Class Memory (SCM), a class of disruptive technologies which includes flash memory, that revolutionize data-center and cloud computing architectures by redefining the memory-storage hierarchy. Virident offers hardware and software that uniquely delivers Enterprise-ready solutions that meet customer demands. Virident's tachIOn solid-state storage eclipses all competing storage products by enabling customers to tackle the ever growing demands of data-intensive applications and databases, with 4-10x predictable performance, sustained over the life of the product, with enterprise-class reliability and serviceability, through the highest capacity and smallest form factor available today.

Xeround
Xeround provides a SQL Cloud DB initially in the form of MySQL DBaaS (database as a service) on Amazon, soon on other Cloud service providers.
Xeround's SQL Cloud database allows you to easily run your MySQL applications in the cloud, automatically scale up or down, all while ensuring availability in the event of failure or schema changes. Xeround Cloud SQL Database is available for public and private clouds.

Zmanda, Inc.
Zmanda is the global leader in open source enterprise backup. The company's products Amanda, Zmanda Recovery Manager (ZRM) for MySQL, and Zmanda Cloud Backup make it simple and affordable to backup and recover data in increasingly complex and heterogeneous IT environments. ZRM for MySQL is designed to centrally backup highly active MySQL databases. Businesses in more than 60 countries trust Zmanda to protect their corporate data.